1051252211 has 2 divisors, whose sum is σ = 1051252212. Its totient is φ = 1051252210.

The previous prime is 1051252207. The next prime is 1051252217. The reversal of 1051252211 is 1122521501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051252211 - 2² = 1051252207 is a prime.

It is a super-2 number, since 2×1051252211² = 2210262422264777042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051252217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525626105 + 525626106.

It is an arithmetic number, because the mean of its divisors is an integer number (525626106).

Almost surely, 2^1051252211 is an apocalyptic number.

1051252211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051252211 is an equidigital number, since it uses as much as digits as its factorization.

1051252211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1051252211 is about 32423.0197699104. The cubic root of 1051252211 is about 1016.8002416032.

Adding to 1051252211 its reverse (1122521501), we get a palindrome (2173773712).

The spelling of 1051252211 in words is "one billion, fifty-one million, two hundred fifty-two thousand, two hundred eleven".